A set of physical model was proposed to solve the EHDL coupling problem of compliant foil bearing.
提出了一种新型结构弹性支承箔片动压气体径向轴承,针对此种结构,提出了求解弹性流体动力润滑问题(EHDL)的弹性基础支承箔片轴承流-固耦合物理模型,分析了弹性基础支承材料的特性,建立了弹性基础受力三维六自由度变形和考虑了包括非线性项动态气膜力和轴承不对中(角偏差)效应的非定常可压缩雷诺方程的数学模型;然后从控制方程出发,给出了求解弹性支承箔片动压气体径向轴承静态特性参数(压力分布、承载力、偏位角、摩擦力矩)的分析方法;并以静特性分析为基础,采用Lund的线性化假设,分析了弹性支承箔片动压气体径向轴承的动态性能(4个刚度系数及4个阻尼系数);最后在动特性分析的基础上,采用刚性对称转子模型,分析了轴承的稳定性。
In order to study the dynamic and instability rule and gain a damping evaluation method according to the test result,damping research ways of several foreign and domestic foil bearing types were compared.
为了更好地研究箔片轴承的动特性和稳定性,得出与实验结果相符合的评价方法,首先对国内外几种有关箔片轴承库仑阻尼的研究方法进行了比较,根据阻尼和刚度分离评估的思想,考虑箔片之间和箔片单元之间的相互作用,基于能量耗散的思想提出了一种有效的箔片轴承阻尼评估方法,最后对双层同向自由平箔结构箔片轴承的结构阻尼进行了详细分析和数值比较。
Using the concept of load capacity coefficient,the effect of the variations of structural stiffness in circumferential,axial and radical directions on the performance of load capacity of foil bearing were analyzed.
从承载力系数出发,分析了箔片轴承在周向、轴向和径向3个空间方向的结构刚度的变化对箔片轴承承载力的影响。
The development of foil gas bearing was introduced,several external effects on the damping of foil bearings were analyzed,and several methods were brought forward to improve foil damping of elastic structure.
稳定性是影响箔片轴承应用的一个关键问题,它与轴承弹性支承结构的阻尼特性密不可分。
Bobbins for 16mm motion picture projectors--Dimensions
GB/T7700-198716mm电影放映机片轴尺寸
lining area/axle
衬片摩擦面积/每轴
ter armature shaft spacer
起动机电转子轴隔片
The film slipped off the winding spool.
胶片从卷轴上松脱了。
photographic film wound on a spool.
缠在线轴上的照相软片。
The Application of a Single Chip Processor 8098 to Detecting the Axial Clearance of a Bearing
8098单片机在轴承轴向间隙检测中的应用
Remove the depth shims from rear pinion bearing cup bore in axle housinRecord the thickness of the depth shims.
从轴管里的后小齿轮轴承盖孔拆卸限深垫片。记录限深垫片厚度。
Fatigue Life Evaluation of a Circular Membrane in the Laminated Membrane Coupling;
金属膜片联轴器圆环式膜片的疲劳寿命计算
Structural strength finite element analysis of membrane in marine laminated membrane coupling
船用膜片联轴器的膜片结构强度有限元分析
Elastic damping leaf coupling
GB/T12922-1991弹性阻尼簧片联轴器
a cutting implement having two crossed pivoting blades.
有两个绕公共轴的交叉的刃片的切具。
For bar specimens, the specimens are mounted with the long axis vertical.
测试棒试片以长轴垂直地面方式固定。
Study of the Blade Design of the Small Horizontal Axis Wind Turbine;
小型水平轴风力发电机叶片设计研究
Research on Cavitation is Restrained in Axial Water Pump by Crankle Blade;
叶片的弯扭对轴流泵汽蚀抑制的研究
Research on Inner Rotor Type Disk Bearingless PM Motor;
内转子式片状无轴承永磁电机的研究
Finite Element Analysis of Bearing in Segment Erector System for TBM
TBM管片拼装系统轴承有限元分析
Cause Analysis of Two-grades Axial-flow Primary Fan Blades Drifting
双级轴流一次风机叶片漂移原因分析
Stress character analysis on horizontal axis wind turbine blade
大型水平轴风力机叶片应力特征分析